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56956972 = 22113126011
BaseRepresentation
bin1101100101000…
…1100000101100
310222011201021111
43121101200230
5104040110342
65352441404
71261061212
oct331214054
9128151244
1056956972
112a172686
12170a9264
13ba52b67
1477c8cb2
155001217
hex365182c

56956972 has 12 divisors (see below), whose sum is σ = 100557576. Its totient is φ = 28226240.

The previous prime is 56956967. The next prime is 56956973. The reversal of 56956972 is 27965965.

It is not an unprimeable number, because it can be changed into a prime (56956973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62554 + ... + 63457.

It is an arithmetic number, because the mean of its divisors is an integer number (8379798).

Almost surely, 256956972 is an apocalyptic number.

It is an amenable number.

56956972 is a deficient number, since it is larger than the sum of its proper divisors (43600604).

56956972 is a wasteful number, since it uses less digits than its factorization.

56956972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126128 (or 126126 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 49.

The square root of 56956972 is about 7546.9842983804. The cubic root of 56956972 is about 384.7532505594.

The spelling of 56956972 in words is "fifty-six million, nine hundred fifty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 113 226 452 126011 252022 504044 14239243 28478486 56956972